OA
Product
oauthlib
by oauthlib · last CVE Oct 28, 2026
3
CVEs
0
On KEV
8.4
Max CVSS
3
New 30D
Severity mix
Critical 0High 1Medium 2Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-118669
New
8.4–Oct 28
OAuthLib: Token grants can use attacker-supplied client_id for authorization after authenticating a different client
Affected: < 4.0.0
CVE-2026-49265
6.8
0%
Oct 13
OAuthLib: Timing Attack Vulnerability in PKCE code_verifier Comparison
Affected: >= 3.0.0, < 4.0.0
CVE-2026-49264
6.1
0%
Oct 13
OAuthLib: Unsafe JSONP callback injection in RevocationEndpoint allows arbitrary JavaScript response generation
Affected: >= 0.6.1, < 4.0.0
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